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Entry version 122 (10 Apr 2019)
Sequence version 1 (01 Jan 1998)
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Protein

Queuine tRNA-ribosyltransferase

Gene

tgt

Organism
Bacillus subtilis (strain 168)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Protein inferred from homologyi <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GUN anticodons (tRNA-Asp, -Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form the product. After dissociation, two additional enzymatic reactions on the tRNA convert PreQ1 to queuine (Q), resulting in the hypermodified nucleoside queuosine (7-(((4,5-cis-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-7-deazaguanosine).UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the ‘Function’ section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Zn2+UniRule annotationNote: Binds 1 zinc ion per subunit.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: tRNA-queuosine biosynthesis

This protein is involved in the pathway tRNA-queuosine biosynthesis, which is part of tRNA modification.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway tRNA-queuosine biosynthesis and in tRNA modification.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei96Proton acceptorUniRule annotation1
<p>This subsection of the ‘Function’ section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei150SubstrateUniRule annotation1
Binding sitei193SubstrateUniRule annotation1
Binding sitei220Substrate; via amide nitrogenUniRule annotation1
Active sitei270NucleophileUniRule annotation1
<p>This subsection of the ‘Function’ section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi308ZincUniRule annotation1
Metal bindingi310ZincUniRule annotation1
Metal bindingi313ZincUniRule annotation1
Metal bindingi339Zinc; via pros nitrogenUniRule annotation1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionGlycosyltransferase, Transferase
Biological processQueuosine biosynthesis, tRNA processing
LigandMetal-binding, Zinc

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
BSUB:BSU27710-MONOMER

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00392

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Queuine tRNA-ribosyltransferaseUniRule annotation (EC:2.4.2.29UniRule annotation)
Alternative name(s):
Guanine insertion enzymeUniRule annotation
tRNA-guanine transglycosylaseUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:tgtUniRule annotation
Ordered Locus Names:BSU27710
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiBacillus subtilis (strain 168)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri224308 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000001570 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001354521 – 381Queuine tRNA-ribosyltransferaseAdd BLAST381

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
O32053

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
O32053

PRoteomics IDEntifications database

More...
PRIDEi
O32053

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homodimer. Within each dimer, one monomer is responsible for RNA recognition and catalysis, while the other monomer binds to the replacement base PreQ1.UniRule annotation

Protein-protein interaction databases

Protein interaction database and analysis system

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IntActi
O32053, 1 interactor

STRING: functional protein association networks

More...
STRINGi
224308.BSU27710

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

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ProteinModelPortali
O32053

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
O32053

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni96 – 100Substrate bindingUniRule annotation5
Regioni251 – 257RNA bindingUniRule annotation7
Regioni275 – 279RNA binding; important for wobble base 34 recognitionUniRule annotation5

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the queuine tRNA-ribosyltransferase family.UniRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG4105C6U Bacteria
COG0343 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000223473

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
O32053

KEGG Orthology (KO)

More...
KOi
K00773

Identification of Orthologs from Complete Genome Data

More...
OMAi
GIDLFDC

Database for complete collections of gene phylogenies

More...
PhylomeDBi
O32053

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.20.20.105, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_00168 Q_tRNA_Tgt, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR004803 TGT
IPR036511 TGT-like_sf
IPR002616 tRNA_ribo_trans-like

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01702 TGT, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF51713 SSF51713, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00430 Q_tRNA_tgt, 1 hit
TIGR00449 tgt_general, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

O32053-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAEQPIRYEF IKECKQTGAR LGKVHTPHGS FETPVFMPVG TLATVKTMSP
60 70 80 90 100
EELKAMDAGI ILSNTYHLWL RPGQDIVKEA GGLHKFMNWD RAILTDSGGF
110 120 130 140 150
QVFSLSKFRN IEEEGVHFRN HLNGDKLFLS PEKAMEIQNA LGSDIMMAFD
160 170 180 190 200
ECPPYPAEYD YMKRSVERTS RWAERCLNAH NRQDEQGLFG IVQGGEYEDL
210 220 230 240 250
RTQSAKDLIS LDFPGYAIGG LSVGEPKDVM NRVLEFTTPL LPKDKPRYLM
260 270 280 290 300
GVGSPDALID GAIRGVDMFD CVLPTRIARN GTVFTAEGRL NMKNAKFERD
310 320 330 340 350
FRPIDEECDC YTCKNYTRAY IRHLIRCNET FGLRLTTYHN LHFLLHLMEQ
360 370 380
VRQAIREDRL GDFREEFFER YGYNKPNAKS F
Length:381
Mass (Da):43,711
Last modified:January 1, 1998 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i76AD1B92883C6D36
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
Y15896 Genomic DNA Translation: CAB75333.1
AL009126 Genomic DNA Translation: CAB14731.1

Protein sequence database of the Protein Information Resource

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PIRi
B69722

NCBI Reference Sequences

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RefSeqi
NP_390649.1, NC_000964.3
WP_003229725.1, NZ_JNCM01000036.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
CAB14731; CAB14731; BSU27710

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
937528

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
bsu:BSU27710

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|224308.179.peg.3010

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Y15896 Genomic DNA Translation: CAB75333.1
AL009126 Genomic DNA Translation: CAB14731.1
PIRiB69722
RefSeqiNP_390649.1, NC_000964.3
WP_003229725.1, NZ_JNCM01000036.1

3D structure databases

ProteinModelPortaliO32053
SMRiO32053
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

IntActiO32053, 1 interactor
STRINGi224308.BSU27710

Proteomic databases

jPOSTiO32053
PaxDbiO32053
PRIDEiO32053

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiCAB14731; CAB14731; BSU27710
GeneIDi937528
KEGGibsu:BSU27710
PATRICifig|224308.179.peg.3010

Phylogenomic databases

eggNOGiENOG4105C6U Bacteria
COG0343 LUCA
HOGENOMiHOG000223473
InParanoidiO32053
KOiK00773
OMAiGIDLFDC
PhylomeDBiO32053

Enzyme and pathway databases

UniPathwayi
UPA00392

BioCyciBSUB:BSU27710-MONOMER

Family and domain databases

Gene3Di3.20.20.105, 1 hit
HAMAPiMF_00168 Q_tRNA_Tgt, 1 hit
InterProiView protein in InterPro
IPR004803 TGT
IPR036511 TGT-like_sf
IPR002616 tRNA_ribo_trans-like
PfamiView protein in Pfam
PF01702 TGT, 1 hit
SUPFAMiSSF51713 SSF51713, 1 hit
TIGRFAMsiTIGR00430 Q_tRNA_tgt, 1 hit
TIGR00449 tgt_general, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiTGT_BACSU
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: O32053
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: January 1, 1998
Last modified: April 10, 2019
This is version 122 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. Bacillus subtilis
    Bacillus subtilis (strain 168): entries, gene names and cross-references to SubtiList
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